<template>
	<el-form size="large" class="login-content-form" :rules="loginRules" ref="loginFormRef" :model="loginFormData">
		<el-form-item class="login-animation1" prop="username">
			<el-input text :placeholder="$t('message.account.accountPlaceholder1')" v-model="loginFormData.username" clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2" prop="password">
			<el-input
				:type="state.isShowPassword ? 'text' : 'password'"
				:placeholder="$t('message.account.accountPlaceholder2')"
				v-model="loginFormData.password"
				autocomplete="off"
			>
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation3" prop="captchaCode">
			<el-col :span="15">
				<el-input
					text
					maxlength="4"
					:placeholder="$t('message.account.accountPlaceholder3')"
					v-model="loginFormData.captchaCode"
					clearable
					autocomplete="off"
				>
					<template #prefix>
						<el-icon class="el-input__icon"><ele-Position /></el-icon>
					</template>
				</el-input>
			</el-col>
			<el-col :span="1"></el-col>
			<el-col :span="8">
				<div class="login-content-code">
					<el-image :src="captchaBase64" @click="getCaptcha" class="w-[100%] h-[100%] cursor-pointer">
					<template #error>
						<el-icon class="el-input__icon"> </el-icon>
					</template>
					</el-image>
				</div>
			</el-col>
		</el-form-item>
		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round v-waves @click="onSignIn" :loading="state.loading.signIn">
				<span>{{ $t('message.account.accountBtnText') }}</span>
			</el-button>
		</el-form-item>
	</el-form>
</template>

<script setup lang="ts" name="loginAccount">
import { reactive, computed ,ref,onMounted} from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage,ElForm } from 'element-plus';
import { useI18n } from 'vue-i18n';
import Cookies from 'js-cookie';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '@/stores/themeConfig';
import { useUserInfo } from '@/stores/userInfo';  

import { initFrontEndControlRoutes } from '@/router/frontEnd';
import { initBackEndControlRoutes } from '@/router/backEnd';
import { Session } from '@/utils/storage';
import { formatAxis } from '@/utils/formatTime';
import { NextLoading } from '@/utils/loading';
import {useLoginApi } from "@/api/login/index";

// 定义变量内容
const { t } = useI18n();
const storesThemeConfig = useThemeConfig();
const { themeConfig } = storeToRefs(storesThemeConfig);
const route = useRoute();
const router = useRouter();
const state = reactive({
	isShowPassword: false,
	loading: {
		signIn: false,
	},
});
const loginFormData =reactive({
	username: 'admin',
		password: '123456',
		captchaCode: '',
		captchaKey:''
})
 
const loginFormRef = ref(ElForm);
const loginRules = reactive({
  username: [{ required: true, message: "请输入账号", trigger: "blur" }],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
  captchaCode: [{ required: true, message: "请输入验证码", trigger: "blur" }]
});

const captchaBase64 = ref(""); // 验证码图片Base64字符串
function getCaptcha() {
	useLoginApi().captcha({}).then(({ data }) => {
		loginFormData.captchaKey = data.captchaKey;
    	captchaBase64.value = data.captchaBase64;
  });
}
// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});
// 登录
const onSignIn = () => {
  	loginFormRef.value.validate(async (valid: any) => {
		if(valid){
			state.loading.signIn = true;
			const {data} = await useLoginApi().signIn(loginFormData)
			if(!data.accessToken){
				ElMessage.warning('抱歉，登录失败');
				state.loading.signIn = false;
				return false
			}
			useUserInfo().setToken(data.tokenType + " " + data.accessToken)
			useUserInfo().setUserInfos(data.userInfo);
			if (!themeConfig.value.isRequestRoutes) {
				// 前端控制路由，2、请注意执行顺序
				const isNoPower = await initFrontEndControlRoutes();
				signInSuccess(isNoPower);
			} else {
				// 模拟后端控制路由，isRequestRoutes 为 true，则开启后端控制路由
				// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
				const isNoPower = await initBackEndControlRoutes();
				// 执行完 initBackEndControlRoutes，再执行 signInSuccess
				signInSuccess(isNoPower);
			}
		}
  	});
};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
	if (isNoPower) {
		ElMessage.warning('抱歉，您没有登录权限');
		Session.clear();
	} else {
		// 初始化登录成功时间问候语
		let currentTimeInfo = currentTime.value;
		// 登录成功，跳到转首页
		// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
		if (route.query?.redirect) {
			router.push({
				path: <string>route.query?.redirect,
				query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
			});
		} else {
			router.push('/');
		}
		// 登录成功提示
		const signInText = t('message.signInText');
		ElMessage.success(`${currentTimeInfo}，${signInText}`);
		// 添加 loading，防止第一次进入界面时出现短暂空白
		NextLoading.start();
	}
	state.loading.signIn = false;
};
onMounted(() => {
  	getCaptcha();
    // 监听 enter 事件（调用登录）
	document.onkeydown = (e: KeyboardEvent) => {
		e = (window.event as KeyboardEvent) || e;
		if (e.code === "Enter" || e.code === "enter" || e.code === "NumpadEnter") {
			if (state.loading.signIn) return;
			onSignIn();
		}
  	};
})
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;
	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}
	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;
		&:hover {
			color: #909399;
		}
	}
	.login-content-code {
		width: 100%;
		padding: 0;
		font-weight: bold;
		letter-spacing: 5px;
		// line-height: 40px;
		height: 40px;
	}
	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
